An 18th-century Austrian corpse was mummified by ramming wood chips, twigs, fabric, and zinc chloride directly into the rectum. Nobody had ever encountered this preservation method before, and it worked disturbingly well.
When most people think about mummification, they picture either ancient Egypt—with its careful organ removal and natron salt drying—or they imagine generic wrapping in cloth. The assumption is that corpse preservation is either a scientifically understood ancient practice or a simple matter of environmental luck. But according to research cited in Science Focus, this Austrian body from the 18th century was deliberately mummified using a completely unknown technique that fits neither category. Archaeologists found the remains still largely intact after 280 years, the bizarre rectal packing having worked as an effective preservation system all along.
The method is as grotesque as it sounds: practitioners stuffed the rectum with desiccating materials—wood shavings, twigs, cloth fragments—and packed them tight with zinc chloride, a caustic chemical compound that absorbs moisture and inhibits bacterial growth. The zinc chloride would have created an extremely hostile environment for decomposition from the inside out, essentially mummifying the corpse through aggressive chemical desiccation in one of the least dignified ways imaginable. What makes this discovery so significant is not just that it worked, but that this appears to be a genuinely novel preservation method entirely absent from the historical record. No written documentation exists describing this technique. No other known mummies show evidence of it. This single Austrian body is apparently the only surviving example.
Why would someone invent such a method, and why did it vanish from practice? The most likely explanation is situational. The 18th century in Austria was a period of rapid scientific experimentation, with apothecaries, physicians, and burial societies all experimenting with new preservation techniques as the Enlightenment brought chemistry into practical application. Zinc chloride was becoming available and understood—it was being used in tanning, dyeing, and other industrial processes. Someone, likely someone with knowledge of chemistry and access to these materials, probably decided to test whether the substance could preserve human remains locally, without the expense or complexity of Egyptian-style mummification or elaborate coffin construction. It worked. But apparently, this particular innovation never caught on widely enough to become documented practice or to be replicated elsewhere.
The deeper puzzle is why the method then disappeared entirely. Perhaps it was too grotesque for widespread adoption, even in an era accustomed to dealing with death in far more immediate and unsanitary ways. Perhaps it required specific materials or knowledge that didn't travel beyond one burial society or family. Or perhaps it simply worked too well by accident—the people who used it once had no reason to record it, and those who might have inherited the practice lost the knowledge through simple discontinuity. Either way, it's a stark reminder that human ingenuity in solving problems (in this case, preventing the decomposition of the dead) doesn't always leave a trail we can follow.
This discovery reframes how we think about historical innovation. We tend to assume that if something worked, it would be documented, replicated, and remembered. This Austrian mummy suggests otherwise: sometimes people solve problems in deeply weird ways, those solutions work and then vanish, leaving future generations to puzzle over the evidence with a mixture of fascination and disgust.